Malware Analysis Report

2024-10-18 21:19

Sample ID 240514-jth6zaga3x
Target 40c2ef95336890d6a45585af9cb05f42_JaffaCakes118
SHA256 6695fc5b657b544edb5ef560c526c6fb2e04c520eaefa13efb1ae7ff0b2af3b5
Tags
emotet epoch2 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

6695fc5b657b544edb5ef560c526c6fb2e04c520eaefa13efb1ae7ff0b2af3b5

Threat Level: Known bad

The file 40c2ef95336890d6a45585af9cb05f42_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch2 banker trojan

Emotet

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-14 07:57

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-14 07:57

Reported

2024-05-14 08:00

Platform

win7-20240508-en

Max time kernel

147s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\40c2ef95336890d6a45585af9cb05f42_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat C:\Windows\SysWOW64\stuckwsa.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\stuckwsa.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0025000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\stuckwsa.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6E002F39-DA80-4324-BB66-FA53DA95378F}\WpadDecisionTime = 90f4e773d4a5da01 C:\Windows\SysWOW64\stuckwsa.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6E002F39-DA80-4324-BB66-FA53DA95378F}\WpadDecision = "0" C:\Windows\SysWOW64\stuckwsa.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-75-3c-d0-00-a9 C:\Windows\SysWOW64\stuckwsa.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6E002F39-DA80-4324-BB66-FA53DA95378F}\76-75-3c-d0-00-a9 C:\Windows\SysWOW64\stuckwsa.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\stuckwsa.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\stuckwsa.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\stuckwsa.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6E002F39-DA80-4324-BB66-FA53DA95378F} C:\Windows\SysWOW64\stuckwsa.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6E002F39-DA80-4324-BB66-FA53DA95378F}\WpadDecisionReason = "1" C:\Windows\SysWOW64\stuckwsa.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6E002F39-DA80-4324-BB66-FA53DA95378F}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\stuckwsa.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-75-3c-d0-00-a9\WpadDecisionReason = "1" C:\Windows\SysWOW64\stuckwsa.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-75-3c-d0-00-a9\WpadDecisionTime = 90f4e773d4a5da01 C:\Windows\SysWOW64\stuckwsa.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\stuckwsa.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\stuckwsa.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-75-3c-d0-00-a9\WpadDecision = "0" C:\Windows\SysWOW64\stuckwsa.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\stuckwsa.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\stuckwsa.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\stuckwsa.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\stuckwsa.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\stuckwsa.exe N/A
N/A N/A C:\Windows\SysWOW64\stuckwsa.exe N/A
N/A N/A C:\Windows\SysWOW64\stuckwsa.exe N/A
N/A N/A C:\Windows\SysWOW64\stuckwsa.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\40c2ef95336890d6a45585af9cb05f42_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\40c2ef95336890d6a45585af9cb05f42_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\40c2ef95336890d6a45585af9cb05f42_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\40c2ef95336890d6a45585af9cb05f42_JaffaCakes118.exe

--459679b

C:\Windows\SysWOW64\stuckwsa.exe

"C:\Windows\SysWOW64\stuckwsa.exe"

C:\Windows\SysWOW64\stuckwsa.exe

--df07f4fb

Network

Country Destination Domain Proto
US 198.58.120.26:8080 tcp
US 198.58.120.26:8080 tcp
SG 209.97.168.52:8080 tcp
SG 209.97.168.52:8080 tcp
FR 37.187.2.199:443 37.187.2.199 tcp
FR 149.202.197.94:8080 tcp
FR 149.202.197.94:8080 tcp

Files

memory/1904-0-0x00000000001D0000-0x00000000001E5000-memory.dmp

memory/1904-5-0x00000000001C0000-0x00000000001D0000-memory.dmp

memory/2656-11-0x00000000001C0000-0x00000000001D0000-memory.dmp

memory/2704-12-0x00000000003D0000-0x00000000003E5000-memory.dmp

memory/2704-17-0x00000000003C0000-0x00000000003D0000-memory.dmp

memory/2656-18-0x0000000000400000-0x0000000000460000-memory.dmp

memory/2608-19-0x00000000003E0000-0x00000000003F5000-memory.dmp

memory/2608-24-0x0000000000280000-0x0000000000290000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-14 07:57

Reported

2024-05-14 08:00

Platform

win10v2004-20240426-en

Max time kernel

138s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\40c2ef95336890d6a45585af9cb05f42_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\SysWOW64\sitkaangle.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\sitkaangle.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\sitkaangle.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\sitkaangle.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\sitkaangle.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\sitkaangle.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\sitkaangle.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\40c2ef95336890d6a45585af9cb05f42_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\40c2ef95336890d6a45585af9cb05f42_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\40c2ef95336890d6a45585af9cb05f42_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\40c2ef95336890d6a45585af9cb05f42_JaffaCakes118.exe

--459679b

C:\Windows\SysWOW64\sitkaangle.exe

"C:\Windows\SysWOW64\sitkaangle.exe"

C:\Windows\SysWOW64\sitkaangle.exe

--7c074971

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 131.253.33.237:443 g.bing.com tcp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
NL 23.62.61.184:443 www.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 237.33.253.131.in-addr.arpa udp
US 8.8.8.8:53 184.61.62.23.in-addr.arpa udp
NL 23.62.61.184:443 www.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 198.58.120.26:8080 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
SG 209.97.168.52:8080 tcp
FR 37.187.2.199:443 37.187.2.199 tcp
US 8.8.8.8:53 199.2.187.37.in-addr.arpa udp
FR 149.202.197.94:8080 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
CO 190.147.215.53:22 tcp
VN 115.78.95.230:443 tcp

Files

memory/532-0-0x0000000000640000-0x0000000000655000-memory.dmp

memory/532-5-0x0000000000630000-0x0000000000640000-memory.dmp

memory/3736-6-0x0000000000A60000-0x0000000000A75000-memory.dmp

memory/3736-11-0x0000000000A50000-0x0000000000A60000-memory.dmp

memory/2000-13-0x0000000000720000-0x0000000000735000-memory.dmp

memory/2000-18-0x0000000000710000-0x0000000000720000-memory.dmp

memory/3736-19-0x0000000000400000-0x0000000000460000-memory.dmp

C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\b41b76628102b84b36367c09999a066a_44d43ff8-91cd-4ca7-92c9-6495b4f546fa

MD5 2639b378dbbb419de68ff1e90fba211d
SHA1 de1a6cbd4cde6ff636815485534aa18116d66193
SHA256 939db142a506000d931e41d5642d7a406ecabb849d4b8b969a7abc14ad4d7c7e
SHA512 64baf245c007de421c85176ff1a5639bf7b317ce9b0b0139a4a2e2dec0024048e7bb21c53af40ae354e7ab73ee66acda0431e7af5376c59f63a6faff598c3bd0

memory/668-26-0x0000000000600000-0x0000000000610000-memory.dmp